import type { Router, RouteRecordNormalized } from 'vue-router';
import NProgress from 'nprogress'; // progress bar

import usePermission from '@/hooks/permission';
import { useUserStore, useAppStore } from '@/store';
import { appRoutes } from '../routes';
import { WHITE_LIST, NOT_FOUND } from '../constants';

export default function setupPermissionGuard(router: Router) {
    router.beforeEach(async (to, from, next) => {
        const appStore = useAppStore();
        const userStore = useUserStore();
        const Permission = usePermission();
        const permissionsAllow = Permission.accessRouter(to);

        if (appStore.menuFromServer) {
            // 针对来自服务端的菜单配置进行处理
            // Handle routing configuration from the server

            // 根据需要自行完善来源于服务端的菜单配置的permission逻辑
            // Refine the permission logic from the server's menu configuration as needed
            if (
                !appStore.appAsyncMenus?.length &&
                !WHITE_LIST.find((el) => el.name === to.name)
            ) {
                // await appStore.fetchServerMenuConfig();
            }
            const serverMenuConfig = [...appStore.appAsyncMenus, ...WHITE_LIST];

            let exist = false;
            while (serverMenuConfig.length && !exist) {
                const element = serverMenuConfig.shift();
                if (element?.name === to.name) exist = true;

                if (element?.children) {
                    serverMenuConfig.push(
                        ...(element.children as unknown as RouteRecordNormalized[])
                    );
                }
            }
            if (exist && permissionsAllow) {
                next();
            } else next(NOT_FOUND);
        } else {
            // eslint-disable-next-line no-lonely-if
            if (permissionsAllow) next();
            else {
                const destination =
                    Permission.findFirstPermissionRoute(
                        appRoutes,
                        userStore.role
                    ) || NOT_FOUND;
                next(destination);
            }
        }
        NProgress.done();
    });
}
